Mathematics. Olympiad tasks. Grade 8-9. Balayan E.N.

The proposed manual discusses the basic methods and methods for solving olympiad tasks of different levels of complexity for students in grades 8-9.

The manual contains 650 tasks divided into 65 options for each class. Each option contains 5 tasks on various topics.

The tasks presented in the book are devoted to such classic topics as divisibility and remnants, invariants, diophanta equations, the principle of airships, trigonometric equations, linear and non -linear systems with the parameter, etc.

answers and instructions are given to all tasks, and the most difficult solutions are given, and some problems are solved in various ways.

most copyright tasks.

The final part of the book provides entertaining tasks of a creative nature associated with numerical laws. These tasks are of increased interest not only among students, but also among teachers.

The manual is addressed to students of grades 8-9 to prepare for Olympiads at various levels, Mathematics teachers, students of pedagogical universities, tutors.